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Kleopatra vs GNU Privacy Assistant: catalog facts
Kleopatra	GNU Privacy Assistant
Free Free and open source.	Free Free and open source under the GPL-3.0-or-later license.
Linux	Windows, Linux
Handles both OpenPGP and S/MIME certificates Key lookup through key servers, LDAP and WKD	Provides a graphical interface for GnuPG tasks Includes key manager context menu actions for copying fingerprints and secret keys
Certificate concepts can be daunting for newcomers	Requires GnuPG
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.